Table 1.
Population of study and demographic characteristics.
| Children group (1246) |
|||||
|---|---|---|---|---|---|
| Variables | Control | % | Asthma | % | P-value |
| 942* | 75.90% | 274* | 22% | ||
| Age | |||||
| ≤5 | 314 | 33.30% | 132 | 48.20% | <0.001 |
| 6–7 | 337 | 35.80% | 88 | 32.10% | |
| ≥8 | 291 | 30.90% | 54 | 19.70% | |
| Sex | |||||
| Male | 506 | 53.50% | 151 | 55.10% | <0.001 |
| Female | 436 | 46.10% | 123 | 44.90% | |
| Specific IgE for | |||||
| Bt | 288 | 30.60% | 128 | 46.70% | <0.001 |
| SPT for | |||||
| Bt | 192 | 20.40% | 76 | 27.70% | <0.001 |
| Cytokine production by Bt stimulated peripheral blood cells | |||||
| IL-13 | 53 | 5.60% | 18 | 6.60% | <0.001 |
*
30 subjects presented data miss. For this analysis was used chi-squared test.